1 files changed, 175 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.2.1/modules/workspace-admin/src/main/java/org/apache/tuscany/sca/workspace/admin/impl/CompositeImageCollectionImpl.java b/sca-java-1.x/tags/1.2.1/modules/workspace-admin/src/main/java/org/apache/tuscany/sca/workspace/admin/impl/CompositeImageCollectionImpl.java
new file mode 100644
index 0000000000..787b7aca08
--- /dev/null
+++ b/sca-java-1.x/tags/1.2.1/modules/workspace-admin/src/main/java/org/apache/tuscany/sca/workspace/admin/impl/CompositeImageCollectionImpl.java
@@ -0,0 +1,175 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.workspace.admin.impl;
+
+import static org.apache.tuscany.sca.workspace.admin.impl.DomainAdminUtil.compositeKey;
+import static org.apache.tuscany.sca.workspace.admin.impl.DomainAdminUtil.compositeQName;
+import static org.apache.tuscany.sca.workspace.admin.impl.DomainAdminUtil.compositeTitle;
+import static org.apache.tuscany.sca.workspace.admin.impl.DomainAdminUtil.contributionURI;
+
+import java.io.IOException;
+import java.net.URLDecoder;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Logger;
+
+import javax.servlet.Servlet;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.implementation.data.collection.Entry;
+import org.apache.tuscany.sca.implementation.data.collection.Item;
+import org.apache.tuscany.sca.implementation.data.collection.ItemCollection;
+import org.apache.tuscany.sca.implementation.data.collection.LocalItemCollection;
+import org.apache.tuscany.sca.implementation.data.collection.NotFoundException;
+import org.apache.tuscany.sca.implementation.node.NodeImplementation;
+import org.osoa.sca.annotations.Init;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+/**
+ * Implementation of a composite install image collection service. 
+ *
+ * @version $Rev$ $Date$
+ */
+@Scope("COMPOSITE")
+@Service(interfaces={ItemCollection.class, LocalItemCollection.class, Servlet.class})
+public class CompositeImageCollectionImpl extends HttpServlet implements ItemCollection, LocalItemCollection, Servlet {
+    private static final long serialVersionUID = 1L;
+
+    private final static Logger logger = Logger.getLogger(CompositeImageCollectionImpl.class.getName());    
+
+    @Reference
+    public LocalItemCollection contributionCollection;
+    
+    @Reference
+    public LocalItemCollection cloudCollection;
+    
+    /**
+     * Initialize the component.
+     */
+    @Init
+    public void initialize() {
+    }
+    
+    public Entry<String, Item>[] getAll() {
+        throw new UnsupportedOperationException();
+    }
+
+    public Item get(String key) throws NotFoundException {
+        throw new UnsupportedOperationException();
+    }
+
+    public String post(String key, Item item) {
+        throw new UnsupportedOperationException();
+    }
+
+    public void put(String key, Item item) throws NotFoundException {
+        throw new UnsupportedOperationException();
+    }
+
+    public void delete(String key) throws NotFoundException {
+        throw new UnsupportedOperationException();
+    }
+    
+    public Entry<String, Item>[] query(String queryString) {
+        logger.info("query " + queryString);
+        
+        if (queryString.startsWith("composite=")) {
+
+            // Expecting a key in the form:
+            // composite:contributionURI;namespace;localName
+            int e = queryString.indexOf('=');
+            String key = queryString.substring(e + 1);
+            String contributionURI = contributionURI(key);
+            QName qname = compositeQName(key);
+            
+            // Return a collection containing the following entries:
+            // the resolved version of the specified composite
+            // the required contributions
+            List<Entry<String, Item>> entries = new ArrayList<Entry<String, Item>>();
+            
+            // Add the resolved composite entry
+            Entry<String, Item> compositeEntry = new Entry<String, Item>();
+            Item compositeItem = new Item();
+            compositeItem.setTitle(compositeTitle(contributionURI, qname));
+            compositeItem.setLink("/composite-resolved/" + key);
+            compositeEntry.setKey(key);
+            compositeEntry.setData(compositeItem);
+            entries.add(compositeEntry);
+            
+            // Get the collection of required contributions
+            Entry<String, Item>[] contributionEntries = contributionCollection.query("alldependencies=" + contributionURI);
+            for (Entry<String, Item> entry: contributionEntries) {
+                Item item = entry.getData();
+                item.setContents(null);
+                entries.add(entry);
+            }
+
+            return entries.toArray(new Entry[entries.size()]);
+            
+        } else {
+            throw new UnsupportedOperationException();
+        }
+    }
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        
+        // Get the request path
+        String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+        String key = path.startsWith("/")? path.substring(1) : path;
+        logger.info("get " + key);
+        
+        // The key contains a node name, redirect 
+        // to the corresponding composite image
+            
+        // Get the collection of cloud composites
+        Entry<String, Item>[] cloudEntries = cloudCollection.getAll();
+
+        // Find the specified node
+        for (Entry<String, Item> cloudEntry: cloudEntries) {
+            QName qname = compositeQName(cloudEntry.getKey());
+            if (qname.getLocalPart().equals(key)) {
+                
+                // Found the specified node
+                String related = cloudEntry.getData().getRelated();
+                int i = related.indexOf("composite:");
+                if (i != -1) {
+                    
+                    // Redirect to its composite image
+                    String compositeImage = "/composite-image/?composite=" + related.substring(i);
+                    response.sendRedirect(compositeImage);
+                    return;
+                }
+            }
+        }
+        
+        // Node not found
+        response.sendError(HttpServletResponse.SC_NOT_FOUND, key);
+        return;
+    }
+}